runtime: fixed a use-after-free error
runtime: fixed a use-after-free error

This string must not be freed early, because it is used by caml_sys_init,
so we should just let it "leak" like many other global "caml_stat_*" blocks.

msprotz/ocaml,gerdstolpmann/ocaml,gerdstolpmann/ocaml,gerdstolpmann/ocaml,gerdstolpmann/ocaml,yunxing/ocaml,yunxing/ocaml,yunxing/ocaml,msprotz/ocaml,yunxing/ocaml,yunxing/ocaml,gerdstolpmann/ocaml,msprotz/ocaml,msprotz/ocaml,msprotz/ocaml